Delco · E39

12653997 12663375 Delco E39 Cadillac CTS (2.0L 275hp) Stock ECM File (ORI)

About this file

This is the stock ECM file 12653997 12663375 for Cadillac CTS 2.0L 275hp: Delco E39, hardware (HW) 12653997, software (SW) 12663375. To buy it, use Quick buy below — €20 by card, no registration, a ready-to-use .bin file by e-mail — or buy it with a file-service account (register or log in and top up your balance). Also you can find all available options on our platform for emissions removal (DPF, EGR, AdBlue) or improving power with stage 1/2/3 or ECO tuning.

This is an original (stock) read of a Delco E39 ECM. Our catalogue lists it for the Cadillac CTS 2.0 275hp.

Its numbers in the catalogue: hardware (HW) number 12653997, software (SW) number 12663375 and calibration and SW upgrade number 12658595.

Three other files in our catalogue have the same pair of numbers (12653997 / 12663375); they differ from this one in the vehicle, engine, ECU model and SW upgrade number. The versions list below links them: compare their numbers with your own read.

In our catalogue the hardware number 12653997 is on 66 files for 15 vehicles and the software number 12663375 is on 7 files for 3 vehicles.

What you receive

  • The original (stock) read of this ECU, exactly as read — no modifications.
  • A ready-to-use .bin file by e-mail — nothing to unpack or rename.
  • The original read only — no full backups, EEPROM, SGO, VBF or other formats.

Before you order

  • All sales are final. Check HW, SW and calibration against your own read before you buy.
  • Different tools expect different file sizes when writing to the ECU — make sure the file suits your device.
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File specifications

Brand name and modelCadillac CTS
Engine power2000 275HP
Engine codeA20NHT
ECU brand nameDELCO
ECU model nameE39
ECU hardware12653997
ECU software12663375
ECU calibration12658595
ECU SW upgrade12658595
Other files with these numbersHW 12653997 · SW 12663375 · Calibration 12658595

4 files with these numbers

They share the hardware and software numbers; the calibration and the vehicle tell them apart. Compare them with your own read — this page is 12658595.

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WinOLS map pack included

Original + map pack

The original .bin and its map pack (CSV) — for WinOLS and compatible software

€60one-off · card payment
  • 67 tuning maps for this software version — Engine Torque, Limiters, Air Control, Injection System…
  • X / Y axes labelled correctly, correct factors
  • One ZIP by e-mail: .bin + .csv map pack
  • Axes checked against this original: 59 of 59 read correctly
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  • Map definitions only — no tuned file, no support
  • All sales are final — check HW / SW before you buy
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WinOLS map pack for this file 67 maps

A WinOLS map export (CSV) made for this software version: tuning maps only, with correctly labelled X and Y axes and the correct factor for the data values — no maps for switching off emissions or errors. Maps by category:

Engine Torque · 18 mapsLimiters · 16 mapsAir Control · 10 mapsInjection System · 7 mapsSpark Advance · 6 mapsVariable Valve Timing (VVT) · 6 mapsTurbo System · 3 mapsRail · 1 map

For example: Limiter of Maximum torque, Maximum torque for first gear, RPM Limiter, Reference of maximum throttle valve angle, Requested engine load, Injection correction, Injection enrichment…

See all 67 maps and buy — €60 All Delco E39 mappacks

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